Free Mini-Course

API Basics for Beginners

Learn REST APIs from scratch — no prior experience needed. Read the concepts, then practice against a real live API that you can break without consequences.

📖

5 Modules

Bite-sized lessons that build on each other

🧪

Live API

Practice against real endpoints — no setup needed

🔄

Auto-Reset

Database resets daily so you can always start fresh

1
🌐

What is an API?

Demystify the term "API". Learn what it means, why it exists, and see your first real-world examples.

Beginner ~8 min
Start
2
📮

HTTP Methods

GET, POST, PUT, PATCH, DELETE — what each one means and when to use it. The building blocks of REST.

Beginner ~10 min
Start
3
📨

Reading Responses

Understand HTTP status codes, JSON structure, and how to interpret what an API is telling you.

Beginner ~10 min
Start
4
🚀

Making Requests

Headers, query params, request bodies, authentication — everything you need to talk to any API.

Intermediate ~12 min
Start
5
🛠️

Hands-On Practice

Use the live API playground to try every concept. Create, read, update, and delete real data.

Intermediate Open-ended
Start

Your Training API

All course endpoints live at:

/api/training/
  • GET /api/training/users
  • GET /api/training/posts
  • GET /api/training/todos
  • POST /api/training/reset
View full API status →

Made a Mess?

Deleted everything? No worries. Hit the Oopsie button to restore the original dataset instantly.